Roof drain



FIG. 1 is a perspective view from above of the roof drain showing my new design thereof.

FIG. 2 is a plan view from above thereof.

FIG. 3 is a perspective view from below thereof.

FIG. 4 is a plan view from below thereof; and,

FIG. 5 is a side view thereof. 

The ornamental design for a roof drain, as shown and described. 